(19)

(11)

EP 4 208 107 A1

(12)

(43) Date of publication: 12.07.2023 Bulletin 2023/28 (21) Application number: 21864906.9 (22) Date of filing: 23.08.2021

(51) International Patent Classification (IPC):  A61B 17/3207(2006.01) A61B 17/22(2006.01) A61B 17/00(2006.01) A61B 17/32(2006.01) (52) Cooperative Patent Classification (CPC): A61B 17/320758; A61B 2017/320766; A61B 2017/320775; A61B 2017/22038 (86) International application number: PCT/US2021/047118 (87) International publication number: WO 2022/051124 (10.03.2022 Gazette 2022/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 03.09.2020 US 202063073969 P 20.08.2021 US 202117407468 (71) Applicant: Cardiovascular Systems, Inc. St. Paul, Minnesota 55112 (US)	(72) Inventors: HIGGINS, Joseph P. St. Paul, Minnesota 55112 (US) RYDBERG, Nicholas W. St. Paul, Minnesota 55112 (US) CAMBRONNE, Matthew D. St. Paul, Minnesota 55112 (US) STONE, Jeffrey R. St. Paul, Minnesota 55112 (US) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)